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SQM Toolbox / SQM Mobile app icon

SQM Toolbox / SQM Mobile

SQM Toolbox and SQM Mobile support sky-quality measurements, astronomical context, local analysis, exports, and iCloud-based device workflows on macOS 14 and iOS.

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Supports SQM-LE, SQM-LU, and SQM-LR devices

Astronomical calculations, Bortle classification, and NELM

Local analysis, export tools, and citizen-science uploads

SQM Mobile companion data sync via CloudKit